AR-10 BARREL: 16" 308 7.62X51 HEAVY BARREL, W/ 1-10 TWIST PARKERIZED FINISH

Length:           16

Profile:            Heavy

Twist:  1-10

Finish: Parkerized

Material:         4150 Gun Steel

Thread Pitch:  5/8 x 24

Caliber:           308 & 7.62x51

Feed Ramp:    M4

Flutes: N/A

Gas System:    MID

Gas Block System:     0.075

Gas hole diameter: 0.093